the pentagon has now launched an investigation into, quote, potentially inappropriate e-mails between general allen and jill kelly, the petraeus family friend at the center of this increasingly strange scandal. the fbi has turned over 20,000 to 30,000 pages of documents found during the probe. many are e-mails between allen and kelly sent over the last two years. it was kelly, petraeus' former deputy in tampa, who went to the fbi about threatening e-mails she was receiving. they were eventually traced back to petraeus' biographer, paula broadwell, spurring the investigation that led to the cia director's resignation. meantime, overnight, nearly a dozen federal agents descended on paula broadwell's home. spending several hours going floor-to-floor, leaving with a desktop computer, cardboard boxes and a briefcase. authorities say broadwell consented to the search. just a few hours later, vernon loeb, who spent 16 months working side-by-side with broadwell on her biography of petraeus, told the website, he had no idea about the affair. >> there was never a question in my mind. but what w